Is there any correlation between how long you hold a hit and how long you hold in a hit and how high you get (or amount of thc absorption)?
According to Wikipedia (with source):
Quote:
A study has shown that holding cannabis smoke in one's lungs for longer periods did not conclusively increase THC's effects ~Block RI, Farinpour R & Braverman K. (1992). Acute effects of marijuana on cognition: relationships to chronic effects and smoking techniques. Pharmacology Biochemistry and Behaviour 43(3): 907 – 917.